/*
 * Copyright 2019 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.mantisrx.runtime;

import java.util.List;
import java.util.Map;
import java.util.Objects;


/**
 * Wrapper object that contains worker information organized by stage number
 */
public class WorkerMap {

    private final Map<Integer, List<WorkerInfo>> workerRegistryMap;


    public WorkerMap(Map<Integer, List<WorkerInfo>> workerRegistryMap) {
        Objects.nonNull(workerRegistryMap);
        this.workerRegistryMap = workerRegistryMap;
    }

    public List<WorkerInfo> getWorkersForStage(int stageNum) {
        return workerRegistryMap.get(stageNum);
    }

    public boolean isEmpty() {
        return workerRegistryMap.isEmpty();
    }

    @Override
    public String toString() {
        return "WorkerMap{" +
                "workerRegistryMap=" + workerRegistryMap +
                '}';
    }
}
